@InProceedings{GieGriGro0712,
      AUTHOR = {Gietz, Peter and Grimm, Peter and Groeper, Ralf and Haase, Martin and Makedanz, Siegfried and Pfeiffenberger, Hans and Schiffers, Michael and Ziegler, Wolfgang},
      TITLE = {Trust Issues in Shibboleth-Enabled Federated Grid Authentication and Authorization Infrastructures Supporting Multiple Grid Middlewares},
      YEAR = {2007},
      MONTH = {December},
      BOOKTITLE = {IEEE conference on e-Science and Grid computing, International Grid Interoperability and Interoperation Workshop, Bangalore, Indien},
      EDITOR = {Buyya, Rajkumar and Mohanram, N. and Govindarajan, R.},
      PUBLISHER = {IEEE},
      NOTE = {ISBN: 978-0-7695-3064-2},
      KEYWORDS = {WP6}
}